data =[
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[8,7,4,4,2,2,2,1,1,2,2,3,3,4,6,5,4,1,1,3],
[6,2,5,6,5,6,6,9,8,4,9,8,8,6,9,8,3,5,2,0],
[4,3,2,3,2,2,2,4,2,1,2,1,3,3,1,3,3,3,3,8],
[4,3,5,2,5,2,8,4,7,7,6,4,11,3,7,10,5,8,10,12],
[8,10,6,7,5,4,2,2,1,2,1,0,1,2,3,4,1,0,4,2],
[4,4,3,2,2,3,6,4,4,6,5,9,10,10,4,12,7,7,8,11],
[6,9,12,11,7,12,12,10,7,10,7,3,4,8,3,1,1,5,0,1],
[1,1,4,3,1,1,4,2,2,3,4,5,7,9,11,5,7,5,6,5],
[6,9,6,8,7,8,8,11,5,3,8,5,3,6,5,4,2,5,5,5],
[6,5,3,7,6,3,6,3,7,2,3,6,3,7,4,5,11,5,8,10],
[4,5,7,11,5,10,10,14,8,10,7,9,6,5,11,6,8,7,3,2],
[4,1,2,3,4,2,2,3,4,2,3,3,3,3,4,7,4,7,5,7],
[8,12,8,12,10,10,5,11,8,7,9,8,11,6,8,6,5,12,5,5],
[3,5,4,5,9,3,3,4,7,3,3,2,2,3,1,4,4,3,6,4],
[6,6,8,8,6,6,9,6,5,6,8,11,11,6,1,5,6,4,3,3],
[2,2,3,1,1,2,4,2,5,0,3,4,4,2,5,2,3,2,4,4],
[4,7,7,9,7,6,5,9,5,9,9,11,6,9,12,14,7,8,20,12],
[10,7,10,8,11,9,7,3,3,5,4,4,3,1,4,8,6,4,4,7],
[4,3,1,5,7,5,9,0,0,1,2,1,1,1,0,0,1,2,1,2],
[2,0,0,1,0,4,0,4,2,2,7,1,6,7,6,4,5,10,8,7],
[7,6,5,4,2,3,0,0,1,2,0,1,0,1,1,1,2,1,2,1],
[0,2,0,2,1,0,7,3,7,8,4,6,7,9,5,10,8,7,12,3],
[8,4,2,2,0,3,3,0,0,0,3,0,0,2,1,1,0,1,2,1],
[2,2,4,2,2,2,7,11,12,10,9,12,8,9,11,11,1,5,2,2],
[4,8,2,3,0,0,0,0,0,0,2,1,1,0,1,0,0,3,1,3],
[1,2,2,2,2,4,6,4,2,1,2,1,6,2,3,1,0,3,0,0],
[0,0,0,1,1,0,0,0,0,0,0,1,0,0,1,0,0,4,8,2],
[4,3,4,6,4,11,11,9,9,6,8,9,12,9,7,11,13,10,11,9],
[6,6,3,0,1,0,0,0,0,0,4,2,0,1,1,1,1,1,1,0],
[1,0,0,1,0,3,2,2,4,0,1,3,9,6,9,6,13,9,13,12],
[12,13,8,8,4,6,7,12,6,12,7,11,9,13,11,5,3,0,0,1],
[0,0,2,1,3,7,2,2,2,3,5,11,9,9,8,11,9,8,5,6],
[7,10,8,10,9,6,9,8,6,2,6,6,4,10,16,9,7,10,10,8],
[8,3,5,2,2,3,3,1,2,0,1,0,0,6,3,2,0,3,2,1],
[0,2,0,0,3,1,3,1,5,4,2,7,11,10,12,7,12,8,4,5],
[6,4,4,2,1,2,2,2,1,5,1,0,0,4,1,2,2,1,2,3],
[5,2,4,5,2,1,0,4,8,9,7,5,8,7,11,8,7,7,7,10],
[6,7,7,3,2,3,3,2,1,2,4,0,1,1,0,0,1,0,0,1],
[2,2,1,1,2,4,6,4,9,11,13,14,9,14,10,3,7,7,10,8],
[12,8,10,14,6,7,2,1,4,3,1,0,1,3,0,2,0,1,1,2],
[2,0,0,3,4,5,2,4,4,5,4,10,7,5,9,5,8,3,4,4],
[5,4,4,4,5,4,3,1,2,2,0,1,2,2,2,5,5,2,2,3],
[0,3,2,2,4,4,7,10,9,9,12,11,9,11,9,10,12,10,12,10],
[7,2,2,0,3,3,1,0,0,0,1,1,0,0,0,0,1,1,0,0],
[0,0,0,1,1,4,7,5,7,7,6,7,8,9,5,9,9,9,7,8],
[7,5,4,5,8,7,6,6,4,1,4,2,1,2,0,0,5,2,0,4],
[0,1,2,5,9,8,5,11,6,9,8,8,8,9,11,7,8,9,14,7],
[7,1,2,1,3,0,0,0,0,0,0,0,2,5,0,1,1,2,3,2],
[1,0,1,0,0,1,2,5,6,4,5,3,7,9,6,15,9,10,11,2],
[10,5,9,5,4,7,4,3,4,3,1,1,1,1,2,2,3,2,2,1],
[2,5,4,3,5,5,3,3,5,5,7,6,7,10,9,8,10,11,8,10],
[3,11,12,5,7,7,6,3,3,0,2,0,0,1,0,3,2,2,3,3],
[4,6,3,4,4,3,4,8,5,4,4,10,8,7,10,11,8,10,10,7],
[5,3,4,3,0,2,2,3,1,1,1,1,1,2,1,3,4,6,3,2],
[0,1,1,1,2,3,3,0,3,5,8,6,7,9,3,7,8,5,4,5],
[2,3,2,3,1,2,1,2,0,1,2,0,2,0,0,3,2,1,1,0],
[0,2,1,2,3,3,2,5,2,4,6,6,7,9,8,12,9,4,4,1],
[5,4,5,3,3,1,2,1,4,0,3,3,4,4,2,2,3,0,2,5],
[3,11,10,7,8,6,4,5,8,11,5,3,5,8,9,5,5,6,3,6],
[1,2,2,1,1,2,1,3,1,0,1,3,1,3,1,2,2,4,6,6],
[10,13,6,3,5,11,11,6,9,11,9,8,6,5,2,1,5,3,2,5],
[4,3,3,4,4,4,1,2,2,2,2,1,2,7,5,14,5,4,10,9],
[7,11,12,9,9,12,13,10,8,8,7,4,4,2,2,3,3,3,4,3],
[3,2,1,3,2,0,5,3,4,7,7,2,5,8,6,8,9,13,14,10],
[11,10,14,11,9,7,6,4,8,11,10,10,10,10,3,3,0,5,4,2],
[2,2,0,0,1,1,2,6,8,5,7,9,9,4,6,16,13,16,9,7],
[4,7,6,7,11,3,3,3,4,0,0,1,2,2,2,6,1,1,2,1],
[5,3,4,5,6,4,10,6,7,5,10,10,8,8,9,8,10,9,6,2],
[4,0,0,0,0,3,1,0,0,0,2,1,3,3,2,1,1,0,0,0],
[2,4,4,4,9,7,6,5,7,4,3,2,6,6,4,4,4,4,1,3],
[2,1,0,1,0,1,3,2,1,0,1,1,2,2,1,0,1,1,3,4],
[7,9,10,11,12,10,10,14,14,12,12,9,15,10,9,10,3,5,4,5],
[2,3,1,1,4,5,4,1,1,4,0,4,5,5,5,9,8,6,11,6],
[9,7,11,13,15,12,14,10,8,9,9,8,8,6,7,8,4,4,1,0],
[1,2,3,3,3,5,1,0,3,0,1,0,0,1,2,4,3,6,6,13],
[9,12,7,5,11,12,14,14,12,13,11,9,7,10,6,12,6,5,5,3],
[3,0,0,2,1,3,2,3,3,1,2,3,4,2,2,3,3,8,9,13],
[14,12,10,12,13,12,14,12,14,8,12,12,13,13,12,10,7,4,5,5],
[3,2,2,5,2,0,5,5,3,5,1,2,2,0,2,2,3,2,5,5],
[1,5,5,8,12,10,8,6,12,7,15,12,12,14,9,11,8,10,3,3],
[2,3,2,2,1,3,2,0,0,3,2,1,3,2,1,2,3,2,0,2],
[6,5,6,6,10,6,9,12,6,12,9,15,10,18,14,12,10,14,16,17],
[8,8,9,7,6,7,7,4,0,1,0,0,2,4,3,4,4,4,1,1],
[1,6,5,6,8,8,5,7,10,15,10,12,10,9,13,17,12,13,7,6],
[13,9,7,2,6,6,9,9,11,5,5,4,7,8,10,7,7,7,7,5],
[3,2,4,0,3,2,5,4,8,10,9,10,8,7,7,9,10,12,14,11],
[10,6,8,8,5,6,6,4,3,0,2,2,1,3,2,3,2,14,7,9],
[8,5,6,6,8,6,5,9,6,3,8,4,4,5,3,5,3,8,2,7],
[1,5,4,5,7,8,8,14,12,5,10,6,9,4,9,5,8,8,6,8],
[7,8,8,10,4,11,5,3,3,6,8,5,5,2,5,5,6,8,8,7],
[9,5,5,7,7,7,2,5,3,4,5,6,4,2,3,4,2,2,3,0],
[3,2,3,3,6,9,9,9,9,6,6,11,10,4,6,10,6,8,10,10],
[7,12,5,8,6,12,7,6,9,6,4,5,4,3,5,7,7,8,8,9],
[9,10,10,7,7,11,6,7,9,9,9,10,8,6,4,6,7,7,5,4],
[4,3,0,0,5,4,2,2,4,4,4,9,5,8,6,8,6,8,8,8],
[10,5,9,6,11,4,6,3,4,4,5,6,5,2,4,4,4,5,4,4],
[4,3,4,2,2,3,5,5,6,6,10,11,8,7,10,5,10,10,6,5],
[5,7,7,7,9,7,8,6,6,2,6,4,2,2,3,2,2,1,2,6],
[3,4,4,3,4,7,3,10,9,10,10,7,12,10,13,6,7,10,10,8],
[11,6,4,7,9,3,8,6,5,5,5,4,4,2,7,5,9,3,5,5],
[2,4,5,5,7,7,10,10,5,6,11,8,10,10,7,6,7,5,8,4],
[6,4,5,3,2,2,1,1,2,7,5,6,8,4,11,2,5,6,6,4],
[3,4,3,3,5,2,2,1,4,2,3,5,2,5,4,4,7,5,5,10],
[8,10,7,4,8,3,6,9,7,3,8,6,7,5,4,4,2,3,6,0],
[0,0,0,1,0,0,3,3,4,6,10,11,11,11,7,10,9,7,7,6],
[7,6,3,5,8,10,8,13,4,8,2,4,2,1,3,7,6,3,2,1],
[2,2,1,0,1,1,3,6,6,7,9,8,12,12,8,6,11,10,7,6],
[8,8,5,4,1,3,5,5,2,4,5,3,3,6,3,6,4,4,7,1],
[5,4,5,8,10,6,2,2,6,8,6,6,9,7,5,9,8,9,9,2],
[4,3,0,3,7,4,4,4,5,5,5,11,5,8,7,6,6,5,6,3],
[3,5,4,2,4,6,9,6,7,9,10,7,8,9,9,9,13,11,11,11],
[11,8,8,5,5,4,10,7,4,5,4,9,5,3,5,5,5,4,3,6],
[5,4,3,0,0,2,3,12,5,15,17,7,8,11,11,11,3,6,8,7],
[10,10,15,5,4,6,4,2,3,10,8,5,7,5,4,6,3,5,3,4],
[8,1,3,4,9,12,5,13,11,8,7,10,9,10,11,8,13,13,11,5],
[6,7,7,8,7,5,3,3,6,3,2,5,3,8,6,8,5,5,5,7],
[5,4,2,2,7,2,4,1,3,3,4,1,2,0,1,0,0,2,6,5],
[9,9,8,12,8,10,7,9,12,9,7,4,8,3,1,0,3,0,2,3],
[4,1,2,2,1,2,0,2,3,2,2,2,0,3,4,2,3,2,7,3],
[7,8,12,9,8,9,11,10,9,10,9,4,9,5,3,2,3,5,1,1],
[2,1,2,1,2,3,3,2,3,5,5,3,2,2,1,2,3,5,3,9],
[10,7,7,5,8,5,7,10,9,14,7,5,1,7,2,1,1,2,3,2],
[5,3,1,2,3,2,6,2,3,3,2,6,1,3,3,1,3,4,5,7],
[6,7,10,7,11,9,7,7,7,5,3,2,3,4,2,5,4,6,5,5],
[2,2,1,1,3,2,7,5,1,2,2,3,0,2,3,1,6,5,6,4],
[4,7,10,11,9,10,12,5,2,3,3,1,1,5,3,3,2,3,2,1],
[3,1,4,2,4,3,2,1,2,1,2,0,2,1,6,2,11,10,10,4],
[12,7,13,12,5,11,10,11,8,7,6,4,3,5,4,2,9,4,5,8],
[5,5,2,4,2,3,2,4,5,2,5,3,2,3,4,6,6,5,8,8],
[7,10,6,9,8,4,6,5,5,5,2,1,3,2,4,4,4,2,1,1],
[1,0,2,6,6,5,6,4,3,3,2,2,4,2,5,7,3,4,7,5],
[2,1,2,3,6,2,4,5,5,4,2,3,3,5,3,1,4,8,7,10],
[8,11,9,3,9,7,10,7,10,6,8,5,6,6,5,3,5,1,2,0],
[1,0,3,4,0,3,2,3,3,3,2,1,2,2,1,1,5,6,6,5],
[6,5,8,6,6,7,10,6,6,5,0,5,3,4,1,5,0,4,5,3],
[2,2,6,1,2,2,0,1,2,1,1,0,4,1,2,3,3,3,6,9],
[4,3,9,8,8,11,10,11,8,8,4,1,1,2,2,1,2,1,2,1],
[2,1,2,1,1,8,4,6,6,1,4,1,4,0,2,7,10,7,9,6],
[8,3,8,12,10,6,2,4,5,6,8,4,5,1,2,2,3,1,0,6],
[0,3,2,1,0,0,0,0,0,0,0,0,21,8,8,7,8,4,7,7],
[8,6,7,8,4,2,2,3,2,3,4,2,2,4,1,6,4,6,4,5],
[5,8,10,8,5,7,11,7,10,8,13,8,6,7,10,8,7,2,5,6],
[1,6,3,1,3,4,3,4,1,4,4,4,9,11,12,4,13,9,13,11],
[10,11,15,9,5,4,10,6,3,3,2,1,3,4,4,1,4,7,5,3],
[1,3,3,6,6,4,7,8,12,9,10,10,12,6,10,8,10,2,2,5],
[1,1,2,5,4,2,2,2,2,3,7,3,2,3,1,2,1,3,3,1],
[5,4,5,8,7,9,8,8,5,6,10,7,8,7,11,9,9,11,9,5],
[9,5,6,4,4,4,4,0,4,2,2,1,3,3,5,2,1,2,4,7],
[4,4,7,6,6,8,9,7,9,8,6,8,13,12,10,8,4,8,10,6],
[7,2,5,4,4,1,5,7,3,2,1,2,1,1,1,5,3,3,3,3],
[5,6,8,6,9,8,8,6,10,10,10,7,13,7,9,6,6,6,2,7],
[2,2,6,8,1,4,1,1,1,0,4,5,4,3,7,4,3,4,3,7],
[7,4,9,6,6,10,7,13,6,7,7,10,7,7,11,9,6,6,8,3],
[3,6,2,5,4,5,3,1,4,2,2,1,2,3,3,3,6,7,5,1],
[5,9,7,5,9,8,7,4,8,8,6,6,5,5,7,5,5,3,3,4],
[5,3,1,1,3,1,1,4,5,3,3,4,3,2,3,2,4,4,7,1],
[4,5,9,6,7,7,5,8,6,9,9,7,6,8,6,4,9,4,5,6],
[1,1,5,3,1,3,4,3,1,6,4,2,5,3,6,3,7,6,4,9],
]